CP ES 5.3, 5.4, and 5.5 Review

Removing all of the trees from an area is called

• reforestation

• forest conservation

• deforestation

• select cutting

When is erosion of soil most likely?

• When it is bare and exposed to wind and rain.

• When it is covered with grass.

• When it has been reforested.

• When it has been farmed.

Which layer of soil is most affected by soil erosion?

• subsoil

• leaching zone

• bedrock

• topsoil

What type of trees are removed when clear-cutting an area?

• all

• only the old ones

• only one species

• only the youngest trees

Which is the best way to most effectively help forests to recover from tree harvesting?

• allowing the forest to reseed itself

• cutting only young trees

• cutting all of the trees

• cutting only medium sized or mature trees

Which farming method promotes soil conservation?

• monocrop farming

• using petroleum in tractors

• no till farming

• blended farming

Land that is used to graze lifestock.

• rangeland

• farmland

• arable

• wilderness

The designation of wilderness areas......

• provides for protected habitats

• allows only limited development.

• historically forbade mining.

• guarantees unrestricted public access.

Why does no-till farming help to conserve soil fertility?

• Remnants of the previous crop are left to decay slowly.

• Deep ridges are cut across, not down, the slopes of hills.

• The ground is carefully turned to mix soil nutrients.

• Only organic fertilizers and natural pesticides are used.

Plannint productive, pest resistant crops that require little water is an example of

• food scarcity

• agriculture overhaul

• sustainable agriculture

• composting